Ch 4 (4, 5, 5).
Row 1: Sc in 2nd ch from hook and in each ch across – 3 (3, 4, 4) sts.
Row 2: Ch 1, turn, working through back loops only, sc in each st across.
Rep Row 2 until piece measures 16 (18 1/2, 21, 22) in. (40.5 (47, 53.5, 56) cm) from beg.
Hold first and last rows together, matching sts.
Ch 1, turn, working through both thicknesses, sl st in each st across to join. Do not fasten off.
Rnd 1: Ch 1, working in ends of rows along edge of long side of Band, work 26 (30, 34, 36) sc evenly spaced.
Rnd 2: Sc in each st around.
Rep Rnd 2 until piece measures about 6 1/2 (7, 7 1/2, 8) in. (16.5 (18, 19, 20.5) cm) from beg.
Next Rnd (Decrease): Sc2tog around – 13 (15, 17, 18) sts remain. Fasten off, leaving a long yarn tail. Thread tail through sts of last rnd and pull to gather. Knot securely.
Tentacles (make 8)
With A, and leaving a long yarn tail, ch 10.
Row 1: Sc in 2nd ch from hook and each ch across – 9 sts.
Row 2: Ch 1, turn, sc in first st, sc2tog, sc in each st to last 3 sts, sc2tog, sc in last st – 7 sts at the end of this row.
Row 3: Ch 1, turn, sc in each st across.
Row 4: Rep Row 2 – 5 sts at the end of this row.
Row 5: Ch 1, turn, sc in first st, sc3tog, sc in last st – 3 sts.
Rows 6 and 7: Ch 1, turn, sc in each st across.
Row 8: Ch 1, turn, sc3tog.
Fold piece in half lengthwise.
Join B with sl st at wider end of one Tentacle, then work 9 sc evenly spaced to opposite end, ch 3 (for tip of Tentacle), join with sl st in first ch. Fasten off.
Eyes (make 2)
With C, and leaving a long yarn tail, ch 2.
In 2nd ch from hook work 2 sc, 1 hdc, 2 sc; join with sl st in first sc.
With D, embroider a French knot pupil on each Eye.
With yarn tails, sew wide ends of 4 Tentacles to each side of Hat. With yarn tails, sew Eyes to Hat.
Weave in ends.